This offer was fetched from reverb.com. You cannot contact the seller via ModularGrid. You have to visit their site.
Look up onIt's one knob, but it's an overdrive rather than a boost. The Cranker is basically designed to act like another tube in your preamp stage, so it warms things up and adds some gain and output, without changing the overall vibe too much. It does a great job.
Model: EarthQuaker Devices Speaker CrankerMade: Akron OH USA, 3 June 2019Serial: 2635Type: overdrivePower Input: standard 9v DC centre-negative (supply not included)Accessories: none
Condition notes: used, no major marks. Tested and fully functional.Overall: very good condition (8/10)

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